package com.chixing.day09_innerclass.season;

/**
 * 可列举有限的类对象
 */
public class Season {
    public static  final Season SPRING_ = new Season();
    public static  final Season SUMMER = new Season();
    public static  final Season AUTUMN = new Season();
    public static  final Season WINTER = new Season();

    private Season(){}
}
